Class 6: Science Chapter 8 solutions. Complete Class 6 Science Chapter 8 Notes.
NCERT Solutions for 6th Class Science: Chapter 8-Body Movements
NCERT 6th Science Chapter 8, class 6 Science Chapter 8 solutions
Page No: 77
1. Fill in the blanks:
(a) Joints of the bones help in the ____________ of the body.
(b) A combination of bones and cartilages forms the ___________ of the body.
(c) The bones at the elbow are joined by a ______________________ joint.
(d) The contraction of the _____________ pulls the bones during movement.
Answer
(a) Joints of the bones help in the movement of the body.
(b) A combination of bones and cartilages forms the skeleton of the body.
(c) The bones at the elbow are joined by a hinge joint.
(d) The contraction of the muscles pulls the bones during movement.
2. Indicate true (T) and false (F) among the following sentences.
(a) The movement and locomotion of all animals is exactly the same. ( )
(b) The cartilages are harder than bones. ( )
(c) The finger bones do not have joints. ( )
(d) The fore arm has two bones. ( )
(e) Cockroaches have an outer skeleton. ( )
Answer
(a) False
(b) False
(c) False
(d) True
(e) True
Page No. 78
3. Match the items in Column I with one or more items of Column II.
| Column I | Column II |
| Upper jaw | have fins on the body. |
| Fish | has an outer skeleton. |
| Ribs | can fly in the air. |
| Snail | is an immovable joint. |
| Cockroach | protect the heart. |
| - | shows very slow movement. |
| - | have a streamlined body. |
Answer
| Column I | Column II |
| Upper jaw | is an immovable joint. |
| Fish | have fins on the body, have a streamlined body. |
| Ribs | protect the heart. |
| Snail | shows very slow movement. |
| Cockroach | has an outer skeleton, can fly in the air. |
4. Answer the following:
(a) What is a ball and socket joint?
(b) Which of the skull bones are movable?
(c) Why can our elbow not move backwards?
Answer
(a) In a ball and socket joint, the rounded end of one bone fits into the cavity (hollow space) of the other bone. It can allows movement in all directions.
(b) Lower jaw bone (Mandible bone) is the only movable bone in skull bone.
(c) Elbow joint has hinge joint. This joint allows movement in a plane only and hence it is not able to move backwards.
NCERT Solutions for 6th Class Science: Chapter 8: Download PDF
NCERT Solutions for 6th Class Science: Chapter 8-Body Movements
Download PDF: NCERT Solutions for 6th Class Science: Chapter 8-Body Movements PDF
Chapterwise NCERT Solutions for Class 6 Science :
- Chapter 1 Food: Where Does It Come From?
- Chapter 2 Components of Food
- Chapter 3 Fibre to Fabric
- Chapter 4 Sorting Materials Into Groups
- Chapter 5 Separation of Substances
- Chapter 6 Changes Around Us
- Chapter 7 Getting to Know Plants
- Chapter 8 Body Movements
- Chapter 9 The Living Organisms and Their Surroundings
- Chapter 10 Motion and Measurement of Distances
- Chapter 11 Light, Shadows and Reflection
- Chapter 12 Electricity and Circuits
- Chapter 13 Fun with Magnets
- Chapter 14 Water
- Chapter 15 Air Around Us
- Chapter 16 Garbage In, Garbage Out
About NCERT
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